PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/29-14:43:00
G01     126.0          12.6                7.2 +/-    2.89      19.1 +/-    2.89  0.030 / 0.040
G07     56.6           69.4                8.5 +/-    0.49       9.0 +/-    0.49  0.030 / 0.040
G08     49.6           38.7                6.2 +/-    0.51       9.2 +/-    0.51  0.030 / 0.040
G09     177.2          33.6               10.4 +/-    0.61      16.9 +/-    0.61  0.040 / 0.050
G11     116.7          36.1                8.7 +/-    0.85      13.5 +/-    0.85  0.060 / 0.110
G13     320.7          12.9                6.7 +/-    1.77      17.6 +/-    1.77  0.060 / 0.100
G17     200.4          15.4               10.4 +/-    2.84      25.6 +/-    2.84  0.100 / 0.410
G18     102.4          17.3                8.1 +/-    1.11      19.0 +/-    1.11  0.120 / 0.380
G28     278.5          53.6                9.0 +/-    0.86      10.9 +/-    0.86  0.120 / 0.330
G30     334.2          61.4                8.7 +/-    0.52       9.8 +/-    0.52  0.090 / 0.430